/Engine/Plugins/Experimental/MeshModelingToolsetExp/Source/MeshModelingToolsEditorOnlyExp/Public/SubdividePolyTool.h
Determine if the mesh group topology can be used for Catmull-Clark or Bilinear subdivision. If not, we can only Loop subdivision on the original triangle mesh.
bool CheckGroupTopology ( [FText](API\Runtime\Core\Internationalization\FText) & Message )